A Champagne tasting at home needs little more than chilled bottles and a plan....

https://bizzmarkblog.com/what-is-the-safest-way-to-angle-a-champagne-bottle-when-opening/

A Champagne tasting at home needs little more than chilled bottles and a plan. Serve at 8 to 10°C, pour small tastes, and give each wine a moment before comparing. These simple steps keep the evening relaxed and make the differences easier to notice.